70929
domain: N
Appears in sequences
- a(n) = Fibonacci(n+1) - 2^floor(n/2).at n=24A005672
- a(n) = Fibonacci(n) - 2^(floor(n/2)).at n=25A028892
- a(n) = Fibonacci(n-2) + 2*a(n-2) - (n mod 2).at n=24A192727
- Number of tilings of a 3 X 3 X n box using 3n bricks of shape 3 X 1 X 1.at n=9A233289
- Number A(n,k) of tilings of a k X k X n box using k*n bricks of shape k X 1 X 1; square array A(n,k), n>=0, k>=1, read by antidiagonals.at n=75A233308
- Number of balanced parenthesis expressions of length 2n and depth 3.at n=10A258109
- Decimal representation of the x-axis, from the origin to the right edge, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 278", based on the 5-celled von Neumann neighborhood.at n=22A280526
- a(n) = n*(n^3 + 2*n^2 - 5*n + 10)/8.at n=27A294259
- a(n) = a(n-1) + 3*a(n-2) -2*a(n-3) - 2*a(n-4), where a(0) = 0, a(1) = 0, a(2) = 1, a(3) = 2.at n=22A295724
- Number of pairs (lambda,mu) of partitions lambda of n and mu of nine with mu <= lambda (by diagram containment).at n=18A303859